Davecl PP4 4-Channel Power Amplifier

The pros and cons of active vs passive speakers.Many people like active speakers, but they may not really understand the pros and cons of passive and active speakers. They just heard that active speakers are better, which may bring a lot of trouble to their future use. It

hat exactly is "Dolby Sound"?The word "Dolby" in "Dolby Sound" is actually the surname of Dr. Dolby (formerly R.M. Dolby) in the UK. The Dolby Laboratory established by Dr. Dolby has successively invented a number of technologies such as the Dolby Noise Reduction System and the Dolby Surround Sound

Dolby Atmos speaker setup reference standardSpeakers with Dolby Atmos are designed to conduct sound upwards, creating and reproducing extremely realistic overhead sound by bouncing off the ceiling. There are two versions of speakers with Dolby Atmos:Integrated units that also include traditional for

You might wonder if an av receiver is right for your home. If you want a true home theater system with surround sound, an av receiver gives you more options than a soundbar. Many people pick av receivers for these reasons:You get immersive audio, like Dolby Atmos, using multiple speakers.You can con

Looking for the best AV receiver for your home theater in 2025? You can start with the Denon AVR-X1800H, Sony STR-AN1000, Yamaha RX-V6A, or Onkyo TX-NR6100. Each AV receiver offers easy setup, clear sound, and reliable performance. Beginners like you appreciate these receivers because they help you

The main reasons are:1. The vacuum tube power amplifier has a warm and sweet tone, which is more durable and not harsh when playing music, while the tone of most transistor power amplifiers is relatively cold and hard.2. Due to some commercial excessive publicity, the magic of vacuum tube power am

The difference between pure power amplifier and ordinary power amplifierWhat is a pure power amplifier?The pure post-stage power amplifier, referred to as the post-stage power amplifier, is an electronic device used to enhance the signal power to drive the sound of the speaker. A pure post-stage pow

Why do home theaters need power amplifiers?Why do home theaters need power amplifiers? If you want to further improve the sound quality and sound field envelopment of your theater speakers, adding a power amplifier will give you immediate results. The general entry-level power amplifier is the front